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Succeeding the vastly successful NF-S12, the NF-S12B is a next generation quiet fan featuring Noctua's advanced SCD2 technology as well as a highly optimized blade geometry with Beveled Blade Tips that improves its award-winning predecessor's airflow efficiency by up to 10%. Topped off with Noctua's time-tested SSO-Bearing and versatile 1200/900/600 rpm speed settings, the NF-S12B FLX is a premium quality fan that offers full flexibility in quiet to ultra-quiet case cooling.

Highly Optimized Impeller with Beveled Blade Tips Thanks to its further refined blade geometry with extended leading edges and Beveled Blade Tips, the NF-S12B achieves up to 10% more airflow and static pressure than its much acclaimed predecessor at the same noise level.

3 Speed Settings for Full Flexibility Providing 1200, 900 and 600 rpm speed settings via the supplied Low-Noise and Ultra-Low-Noise Adapters, the FLX (Flexibility) version can be fine-tuned for superior airflow or maximum quietness.

Physical Spec

Dimensions

120 x 120 x 25 mm

Features

Features

Highly optimised impeller with Bevelled Blade Tips

3 speed settings for full flexibility

Smooth Commutation Drive 2

Quick Info

WarrantyBeyond any applicable Newegg return policy, this item is warranted independently by the product's Manufacturer or a Third party. Below is a summary provided for convenience only and may not be accurate or current.
Read full details.

Rating: 5/5

Pros: Nice! I usually buy Noctua when looking for a quiet fan. I have about six Noctuas in my computer cases over the past few years and never had a problem with any of them. Want to keep my computers quiet and they all seem to run as quiet as the day I put them in. I run all my Noctuas at the highest speed setting as they are quiet enough for me but you could use the inline adapters that come with the fans to quiet them even more if you want.

Cons: I know some people complain about the brown color of the fans but I, personally, don't care one bit what they look like.

The only very minor unexpected occurrence I had is when I installed this fan using the optional rubber fasteners that come with it. I pulled on a couple of them too hard and the top of the rubber fastener stretched and broke off. The fans still stayed in place, though, so no harm done. I have put in a few other Noctuas using the rubber fasteners and never had any other breakages. Perhaps a little KY jelly (or spit) on the rubber fasteners to lube them would mean less pulling strength required because they will slide into place easier due to less frictional resistance.

Other Thoughts: Just make sure you get a Noctua with the "3 speed setting" option in case you are looking for the quietest fan possible.

Rating: 5/5Perfectly Quiet - Excellent Quality

Pros: - It's quiet - really, not just "quiet series", its quiet- I find the voltage adapters to be useful since a fan controller is not an option for me.- Quality of the fan in excellent. I have purchase other bands and this is by far the best fan you can buy.

Other Thoughts: I bought this fan for additional cooling of the NH-D14, even though it is not purpose specific for that, whereas the NF-P12 fan is. The reason is that the NF-S12B slightly quieter at the slowest R.P.M.

The NFS12B facing is thicker and required drilling of each hole to countersink the OEM tabs so that the wires that attach it to the cooler would fit. Easily done and I am highly satisfied with the results.

My wallet will shrink further, because I will soon order more for other computers in the house.

Other Thoughts: Study carefully, to select the correct version(s) for your application(s).

Replaced the rear case fan with this, and the CPU fan with the Noctua P12-1300 (both without the included speed-reducing extensions). System consumption decreased by more than four watts. My stock-speed computer now idles (as I write this) at **38 watts** wall power.

I also used one of the Noctua speed-reducing extensions for my front, Lian Li blue LED fan. The LEDs still glow.

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